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AM-6000 Computer Owner's Manual, Rev. 00
Appendix C - Super I/O
Super I/O is designed to significantly increase character output for all serial ports using the AM318.IDV
or AM359B.IDV drivers. This includes all AM-359 board serial I/O ports, as well as the AM-6000's
four on-board serial ports. The more terminals you have on your system performing character output, the
more you will benefit from Super I/O.
Super I/O handles character output in a much more efficient manner than any other previously released
AMOS serial port driver, which greatly reduces the load on the CPU and makes more CPU cycles
available for other tasks.
In earlier versions of AMOS, Super I/O was a separate, optional feature. In all versions of AMOS
supported on the AM-6000, Super I/O is included in the operating system.
DISABLING SUPER I/O
For most Super I/O compatible serial ports, you will always want to have Super I/O enabled. However,
if you have an application program that does not run properly on a Super I/O enabled serial port, it is
possible to disable Super I/O. You can disable Super I/O on one or more AM-359 boards, but you can't
disable Super I/O on an individual serial port.
Disabling Super I/O on All I/O Boards
If the application causing problems is one you run infrequently, you can temporarily disable Super I/O
on all your AM-359 ports by using the following procedure:
1. Create a copy of your system initialization command file; type:
LOG 1,4
RETURN
COPY TEST.INI=AMOS32.INI
RETURN
2. Use AlphaVUE to modify your TEST.INI file. Locate the first AM-359 TRMDEF statement.
Disable Super I/O by adding
/O
(that's an "O", not a zero) to the first AM-359 TRMDEF
statement. For example, change:
TRMDEF TERM2,AM359=0:19200,AM65,100,100,100
to
TRMDEF TERM2,AM359/O=0:19200,AM65,100,100,100
3. Save the file and leave AlphaVUE. The use the MONTST command to boot with the test
initialization file, as described in Chapter 5.
Once you have completed running the program that exhibits problems under Super I/O, you can reboot
your computer using the standard system initialization command file, which will reactivate Super I/O.
- Computer Owner's 1
- 1998 ALPHA MICROSYSTEMS 2
- Table of Contents 3
- List of Illustrations 7
- List of Tables 7
- Chapter 1 - Introducing the 8
- AM-6000 Computer 8
- ABOUT THIS BOOK 10
- Graphics Conventions 10
- HARDWARE FEATURES 11
- AM-319-20 System Board 11
- AM-176 Board 12
- Processor 12
- Cache Memory 12
- CMOS Menu Setup 12
- External SCSI Port 13
- SCSI Tape Drives 14
- AM-219 Diskette Controller 14
- Serial I/O Capability 14
- Network Options 14
- UPS Monitoring 15
- Front Panel Status Display 15
- Real Time Clock 15
- Rear I/O Panel 16
- System Versatility 16
- Add-On Equipment 16
- SOFTWARE FEATURES 16
- SERVICE INFORMATION 17
- For Further Assistance 17
- Chapter 2 - Installation 18
- Reporting Shipping Damage 19
- STATUS SELECT RESET 22
- Page 2-6 Chapter Two 23
- PREPARING THE SITE 24
- Physical Requirements 24
- Environmental Requirements 25
- Environmental Specifications 25
- POWER AND CABLE CONNECTIONS 26
- Voltage Current Draw 27
- Turning the Computer On 28
- Connecting the Cable 29
- INITIAL TESTING 30
- BOOTING UP UNDER AMOS 30
- THE WARM BOOT MONITOR 31
- TURNING THE COMPUTER OFF 31
- EXPANDING YOUR COMPUTER 32
- GETTING ASSISTANCE 32
- Chapter 3 - Getting Started 33
- CMOS Menu Options 34
- Saving the CMOS Settings 36
- Important Note 36
- DEVICE NAMES 36
- The System Disk 37
- DISK ACCOUNTS 37
- LOGGING ON 38
- THE TERMINAL KEYBOARD 39
- Correcting Typing Mistakes 40
- A WORD ABOUT DISKETTES 41
- Using Diskettes 42
- Mounting Diskettes 44
- ABOUT STREAMING TAPE 45
- Tape Capacity 45
- WINDOW SHUT = WRITE ENABLE 47
- WINDOW OPEN = WRITE PROTECTED 47
- Chapter 4 - Where Do I 49
- Go From Here? 49
- Text Preparation 50
- Utility Programs 50
- Application Programs 50
- Office Information Products 50
- ADDITIONAL DOCUMENTATION 51
- BACKING UP YOUR DATA 53
- Passwords 54
- Organizing the Disk 54
- Adding New Accounts 54
- Adding Jobs 58
- Changing User Memory 59
- ANALYZING THE DISK 60
- The REDALL Command 61
- The DSKANA Command 61
- DSKANA Options 62
- Chapter 6 - Preventive 66
- Maintenance 66
- DISKETTE DRIVE 67
- DAT DRIVE CLEANING 67
- MAIN ENCLOSURE 68
- Chapter 7 - Troubleshooting 69
- Procedures 69
- Procedure #3: Powerup/Reset 73
- Procedure #5: Self Test 76
- Procedure #6: Alternate Boot 78
- SELF TEST FEATURE 85
- Appendix A - Connector 86
- Configurations 86
- WHAT IS RS-422? 87
- IMPORTANT NOTE 87
- CABLE CONSTRUCTION GUIDELINES 87
- Cable Length 87
- Cable Type 88
- Cable Shielding 88
- RS-232 DB-9 CONNECTOR SIGNALS 89
- Workstation Connection Cables 91
- PARALLEL PRINTER PORTS 93
- AM-6000 UPS STATUS PORT 94
- 10BaseT Topology and Cabling 94
- Appendix B - The Control 96
- Characters 96
- Appendix C - Super I/O 98
- NARROW SCSI TERMINATOR 100
- ATTACHING EXTERNAL DEVICES 101
- TERMINATOR POWER 101
- Appendix E - Read-Ahead and 102
- Write Buffering 102
- WRITE BUFFERING 103
- Controlling Read-Ahead 103
- Potential Pitfalls 104
- Setting Up Write Buffering 104
- FINAL NOTES 105
- Document History 106
- Index Page 3 109
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